org.apache.hadoop.io.retry.UnreliableInterface.UnreliableException Java Examples
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org.apache.hadoop.io.retry.UnreliableInterface.UnreliableException.
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Example #1
Source File: TestFailoverProxy.java From big-c with Apache License 2.0 | 6 votes |
@Test public void testFailoverOnNetworkExceptionIdempotentOperation() throws UnreliableException, IOException, StandbyException { UnreliableInterface unreliable = (UnreliableInterface)RetryProxy.create( UnreliableInterface.class, newFlipFlopProxyProvider( TypeOfExceptionToFailWith.IO_EXCEPTION, TypeOfExceptionToFailWith.UNRELIABLE_EXCEPTION), RetryPolicies.failoverOnNetworkException(1)); assertEquals("impl1", unreliable.succeedsOnceThenFailsReturningString()); try { unreliable.succeedsOnceThenFailsReturningString(); fail("should not have succeeded twice"); } catch (IOException e) { // Make sure we *don't* fail over since the first implementation threw an // IOException and this method is not idempotent assertEquals("impl1", e.getMessage()); } assertEquals("impl1", unreliable.succeedsOnceThenFailsReturningStringIdempotent()); // Make sure we fail over since the first implementation threw an // IOException and this method is idempotent. assertEquals("impl2", unreliable.succeedsOnceThenFailsReturningStringIdempotent()); }
Example #2
Source File: TestFailoverProxy.java From big-c with Apache License 2.0 | 6 votes |
@Test public void testNeverFailOver() throws UnreliableException, IOException, StandbyException { UnreliableInterface unreliable = (UnreliableInterface)RetryProxy.create( UnreliableInterface.class, newFlipFlopProxyProvider(), RetryPolicies.TRY_ONCE_THEN_FAIL); unreliable.succeedsOnceThenFailsReturningString(); try { unreliable.succeedsOnceThenFailsReturningString(); fail("should not have succeeded twice"); } catch (UnreliableException e) { assertEquals("impl1", e.getMessage()); } }
Example #3
Source File: TestRetryProxy.java From hadoop with Apache License 2.0 | 6 votes |
@Test public void testRetryByException() throws UnreliableException { Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = Collections.<Class<? extends Exception>, RetryPolicy>singletonMap(FatalException.class, TRY_ONCE_THEN_FAIL); UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryByException(RETRY_FOREVER, exceptionToPolicyMap)); unreliable.failsOnceThenSucceeds(); try { unreliable.alwaysFailsWithFatalException(); fail("Should fail"); } catch (FatalException e) { // expected } }
Example #4
Source File: TestFailoverProxy.java From hadoop with Apache License 2.0 | 6 votes |
@Test public void testSuccedsOnceThenFailOver() throws UnreliableException, IOException, StandbyException { UnreliableInterface unreliable = (UnreliableInterface)RetryProxy.create( UnreliableInterface.class, newFlipFlopProxyProvider(), new FailOverOnceOnAnyExceptionPolicy()); assertEquals("impl1", unreliable.succeedsOnceThenFailsReturningString()); assertEquals("impl2", unreliable.succeedsOnceThenFailsReturningString()); try { unreliable.succeedsOnceThenFailsReturningString(); fail("should not have succeeded more than twice"); } catch (UnreliableException e) { // expected } }
Example #5
Source File: TestFailoverProxy.java From big-c with Apache License 2.0 | 6 votes |
@Test public void testSuccedsOnceThenFailOver() throws UnreliableException, IOException, StandbyException { UnreliableInterface unreliable = (UnreliableInterface)RetryProxy.create( UnreliableInterface.class, newFlipFlopProxyProvider(), new FailOverOnceOnAnyExceptionPolicy()); assertEquals("impl1", unreliable.succeedsOnceThenFailsReturningString()); assertEquals("impl2", unreliable.succeedsOnceThenFailsReturningString()); try { unreliable.succeedsOnceThenFailsReturningString(); fail("should not have succeeded more than twice"); } catch (UnreliableException e) { // expected } }
Example #6
Source File: TestFailoverProxy.java From hadoop with Apache License 2.0 | 6 votes |
@Test public void testNeverFailOver() throws UnreliableException, IOException, StandbyException { UnreliableInterface unreliable = (UnreliableInterface)RetryProxy.create( UnreliableInterface.class, newFlipFlopProxyProvider(), RetryPolicies.TRY_ONCE_THEN_FAIL); unreliable.succeedsOnceThenFailsReturningString(); try { unreliable.succeedsOnceThenFailsReturningString(); fail("should not have succeeded twice"); } catch (UnreliableException e) { assertEquals("impl1", e.getMessage()); } }
Example #7
Source File: TestRetryProxy.java From big-c with Apache License 2.0 | 6 votes |
@Test public void testRetryByException() throws UnreliableException { Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = Collections.<Class<? extends Exception>, RetryPolicy>singletonMap(FatalException.class, TRY_ONCE_THEN_FAIL); UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryByException(RETRY_FOREVER, exceptionToPolicyMap)); unreliable.failsOnceThenSucceeds(); try { unreliable.alwaysFailsWithFatalException(); fail("Should fail"); } catch (FatalException e) { // expected } }
Example #8
Source File: TestFailoverProxy.java From hadoop with Apache License 2.0 | 6 votes |
@Test public void testFailoverOnNetworkExceptionIdempotentOperation() throws UnreliableException, IOException, StandbyException { UnreliableInterface unreliable = (UnreliableInterface)RetryProxy.create( UnreliableInterface.class, newFlipFlopProxyProvider( TypeOfExceptionToFailWith.IO_EXCEPTION, TypeOfExceptionToFailWith.UNRELIABLE_EXCEPTION), RetryPolicies.failoverOnNetworkException(1)); assertEquals("impl1", unreliable.succeedsOnceThenFailsReturningString()); try { unreliable.succeedsOnceThenFailsReturningString(); fail("should not have succeeded twice"); } catch (IOException e) { // Make sure we *don't* fail over since the first implementation threw an // IOException and this method is not idempotent assertEquals("impl1", e.getMessage()); } assertEquals("impl1", unreliable.succeedsOnceThenFailsReturningStringIdempotent()); // Make sure we fail over since the first implementation threw an // IOException and this method is idempotent. assertEquals("impl2", unreliable.succeedsOnceThenFailsReturningStringIdempotent()); }
Example #9
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testTryOnceThenFail() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, TRY_ONCE_THEN_FAIL); unreliable.alwaysSucceeds(); try { unreliable.failsOnceThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #10
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testTryOnceThenFail() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, TRY_ONCE_THEN_FAIL); unreliable.alwaysSucceeds(); try { unreliable.failsOnceThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #11
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testTryOnceDontFail() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, TRY_ONCE_DONT_FAIL); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsOnceThenSucceedsWithReturnValue(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #12
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testRetryForever() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, RETRY_FOREVER); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); unreliable.failsTenTimesThenSucceeds(); }
Example #13
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testRetryUpToMaximumCountWithFixedSleep() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryUpToMaximumCountWithFixedSleep(8, 1, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #14
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testRetryUpToMaximumTimeWithFixedSleep() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryUpToMaximumTimeWithFixedSleep(80, 10, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #15
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testRetryUpToMaximumCountWithProportionalSleep() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryUpToMaximumCountWithProportionalSleep(8, 1, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #16
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testExponentialRetry() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, exponentialBackoffRetry(5, 1L, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #17
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testRetryByException() throws UnreliableException { Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = Collections.<Class<? extends Exception>, RetryPolicy>singletonMap(FatalException.class, TRY_ONCE_THEN_FAIL); UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryByException(RETRY_FOREVER, exceptionToPolicyMap)); unreliable.failsOnceThenSucceeds(); try { unreliable.alwaysFailsWithFatalException(); fail("Should fail"); } catch (FatalException e) { // expected } }
Example #18
Source File: TestRetryProxy.java From RDFS with Apache License 2.0 | 5 votes |
public void testRetryByRemoteException() throws UnreliableException { Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = Collections.<Class<? extends Exception>, RetryPolicy>singletonMap(FatalException.class, TRY_ONCE_THEN_FAIL); UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryByRemoteException(RETRY_FOREVER, exceptionToPolicyMap)); try { unreliable.alwaysFailsWithRemoteFatalException(); fail("Should fail"); } catch (RemoteException e) { // expected } }
Example #19
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testRetryByRemoteException() throws UnreliableException { Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = Collections.<Class<? extends Exception>, RetryPolicy>singletonMap(FatalException.class, TRY_ONCE_THEN_FAIL); UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryByRemoteException(RETRY_FOREVER, exceptionToPolicyMap)); try { unreliable.alwaysFailsWithRemoteFatalException(); fail("Should fail"); } catch (RemoteException e) { // expected } }
Example #20
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testTryOnceDontFail() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, TRY_ONCE_DONT_FAIL); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsOnceThenSucceedsWithReturnValue(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #21
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testRetryForever() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, RETRY_FOREVER); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); unreliable.failsTenTimesThenSucceeds(); }
Example #22
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testRetryUpToMaximumCountWithFixedSleep() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryUpToMaximumCountWithFixedSleep(8, 1, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #23
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testRetryUpToMaximumTimeWithFixedSleep() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryUpToMaximumTimeWithFixedSleep(80, 10, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #24
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testRetryUpToMaximumCountWithProportionalSleep() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryUpToMaximumCountWithProportionalSleep(8, 1, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #25
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testExponentialRetry() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, exponentialBackoffRetry(5, 1L, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #26
Source File: TestRetryProxy.java From hadoop-gpu with Apache License 2.0 | 5 votes |
public void testRetryByException() throws UnreliableException { Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = Collections.<Class<? extends Exception>, RetryPolicy>singletonMap(FatalException.class, TRY_ONCE_THEN_FAIL); UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryByException(RETRY_FOREVER, exceptionToPolicyMap)); unreliable.failsOnceThenSucceeds(); try { unreliable.alwaysFailsWithFatalException(); fail("Should fail"); } catch (FatalException e) { // expected } }
Example #27
Source File: TestRetryProxy.java From hadoop with Apache License 2.0 | 5 votes |
@Test public void testTryOnceThenFail() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, TRY_ONCE_THEN_FAIL); unreliable.alwaysSucceeds(); try { unreliable.failsOnceThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #28
Source File: TestRetryProxy.java From big-c with Apache License 2.0 | 5 votes |
@Test public void testTryOnceThenFail() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, TRY_ONCE_THEN_FAIL); unreliable.alwaysSucceeds(); try { unreliable.failsOnceThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }
Example #29
Source File: TestRetryProxy.java From hadoop with Apache License 2.0 | 5 votes |
@Test public void testRetryForever() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, RETRY_FOREVER); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); unreliable.failsTenTimesThenSucceeds(); }
Example #30
Source File: TestRetryProxy.java From hadoop with Apache License 2.0 | 5 votes |
@Test public void testRetryUpToMaximumCountWithFixedSleep() throws UnreliableException { UnreliableInterface unreliable = (UnreliableInterface) RetryProxy.create(UnreliableInterface.class, unreliableImpl, retryUpToMaximumCountWithFixedSleep(8, 1, TimeUnit.NANOSECONDS)); unreliable.alwaysSucceeds(); unreliable.failsOnceThenSucceeds(); try { unreliable.failsTenTimesThenSucceeds(); fail("Should fail"); } catch (UnreliableException e) { // expected } }